Factor out generator checks for filtering out interface libraries

Add a `cmGeneratorTarget::IsInBuildSystem` helper method to tell
generators whether a target should participate in the generated build
system.

1 files changed, 1 insertions, 1 deletions

diff --git a/Source/cmLocalNinjaGenerator.cxx b/Source/cmLocalNinjaGenerator.cxx
index aee7f45..50aa955 100644
--- a/Source/cmLocalNinjaGenerator.cxx
+++ b/Source/cmLocalNinjaGenerator.cxx
@@ -90,7 +90,7 @@ void cmLocalNinjaGenerator::Generate()
   }
 
   for (const auto& target : this->GetGeneratorTargets()) {
-    if (target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
+    if (!target->IsInBuildSystem()) {
       continue;
     }
     auto tg = cmNinjaTargetGenerator::New(target.get());